Description

Water level records are a combination of the fluctuations of the ocean and the vertical land motion at the location of the station. Monthly mean sea level (MSL) variations were analyzed for the stations of the National Ocean Service's (NOS) National Water Level Observation Network (NWLON) having at least 30 years of data. The sea level variations determined are the relative sea level trend, the average seasonal cycle, and the interannual variability at each station. Since the derived trends include the local vertical land motion, they are spatially variable. The relative sea level trend plots include the time series for each station of the monthly MSL with the seasonal cycle removed, a 5-month average, and the linear trend with its 95% confidence interval; the average seasonal cycle; the interannual variation of MSL. The plots are updated monthly and the long-term trend is recalculated every year. The location and timing of any major earthquakes near stations in tectonically-active areas are noted since an associated vertical offset or a change in MSL trend is possible.

Resources

Format	Description	Link
0	View the complete metadata record on InPort for more information about this dataset.	https://www.fisheries.noaa.gov/inport/item/37628
33	NOAA Data Management Plan for this record on InPort.	https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/co-ops/dmp/pdf/37628.pdf
0	This is the CO-OPS Home Page	https://tidesandcurrents.noaa.gov/
21	This is the CO-OPS Publications Page	https://tidesandcurrents.noaa.gov/pub.html
0	The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.	https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
0	Other Documents	https://mapservices.weather.noaa.gov/static/rest/services/NOS_Observations/CO_OPS_Products/MapServer
21	Relative Sea Level Trends page and interactive map. Zoom in/out and pan around in the map. Arrows represent stations, and the direction and rate of relative sea level trend at that those locations. Click any arrow to access the linear sea level trend and other data for that station. NOAA Technical Reports related to Sea Level Trends are linked at the bottom of this page.	https://tidesandcurrents.noaa.gov/sltrends/sltrends.shtml

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Climate

Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations

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